TPC-xx51T/H User Manual 20
A.3.1 Termination Resistor Select (SW3)
A.4 Connector Pin Definition
A.4.1 SATA connector (CN12)
1654004659 Serial ATA 7P 1.27mm 180D(M) DIP WATM-07DBN4A3B83.12
RS485 Mode
Bit 1,2,3,4,5,8,9 OFF
Bit 6,7,10 ON
Termination Resistor Select
Description
This switch is used to select Termination Resistor (120 ohm) for long
distance transmission or device matching.
Default Bit1 off & Bit2 off (ISO_COM2_DATA+ & ISO_COM2_RX-)
ISO_COM2_DATA+ Pin 1
Default
ISO_COM2_RX- Pin 2
ISO_COM2_R_RX+ Pin 3
ISO_COM2_R_DATA- Pin 4
Pin Signal Description
1GND GND
2A+
Signal Pair A : TX+/-
(Transmit)
3A-
4GND GND
5B-
Signal Pair B : RX+/
(Receive)
6B+
7GND GND
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